ST7LITE49M STMicroelectronics, ST7LITE49M Datasheet - Page 55
ST7LITE49M
Manufacturer Part Number
ST7LITE49M
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet
1.ST7LITE49M.pdf
(187 pages)
Specifications of ST7LITE49M
4 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance
10k write/erase cycles guaranteed Data retention
128 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention
20 years at 55 °C.
Clock Sources
Internal trimmable 8 MHz RC oscillator, auto-wakeup internal low power - low frequency oscillator, crystal/ceramic resonator or external clock
Five Power Saving Modes
Halt, Active-halt, Auto-wakeup from Halt, Wait and Slow
A/d Converter
10 input channels
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ST7LITE49M
Table 18.
1. For an interrupt, all events do not have the same capability to wake up the MCU from Halt, Active-halt or Auto-wakeup from
2. This interrupt exits the MCU from Auto Wake-up from Halt mode only.
3. These interrupts exit the MCU from Active-halt mode only.
Number
10
7
Halt modes. Refer to the description of interrupt events for more details.
11
12
0
1
2
3
4
5
6
8
9
(3)
(3)
LITE TIMER
AT TIMER
Source
RESET
ST7LITE49M interrupt mapping
TRAP
block
AWU
AVD
I
ei0
ei1
ei2
2
C
Auxiliary voltage detector interrupt
AT timer output compare interrupt
Lite timer Input Capture interrupt
AT timer input capture interrupt
AT timer Overflow 2 interrupt
AT timer overflow 1 interrupt
External interrupt 2 (Port C)
External interrupt 0 (Port A)
External interrupt 1 (Port B)
Lite timer RTC2 interrupt
Lite timer RTC interrupt
Auto-wakeup interrupt
Software interrupt
Description
I
2
C interrupt
Reset
Doc ID 13562 Rev 3
AWUCSR
Register
LTCSR2
ATCSR
label
N/A
N/A
N/A
N/A
Priority
Highest
Priority
Lowest
Priority
order
AWUFH
HALT
yes
from
Exit
yes
yes
yes
no
no
no
no
no
no
no
no
no
or
(1)
(2)
FFECh-FFEDh
FFFCh-FFFDh
FFEEh-FFEFh
FFEAh-FFEBh
FFFEh-FFFFh
FFFAh-FFFBh
FFE8h-FFE9h
FFE6h-FFE7h
FFE4h-FFE5h
FFE2h-FFE3h
FFF8h-FFF9h
FFF4h-FFF5h
FFF2h-FFF3h
FFF0h-FFF1h
FFF6h-FFF7
Address
vector
Interrupts
55/188
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